ERROR_SERVER_HAS_OPEN_HANDLES - 1811 (0x713)
The server is in use and cannot be unloaded.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_SERVER_HAS_OPEN_HANDLES with the numeric value 1811 and hexadecimal representation 0x713 indicates that a server or service is currently in use, preventing it from being unloaded. This typically occurs when there are open handles to resources managed by the server.
Error Details
This error code is specific to scenarios where a system component (such as a server) cannot be terminated because it has active connections or operations that require its continued presence. The term 'server' in this context can refer to various types of services, such as network services, database servers, or other components responsible for managing resources.
Usage Context
The error is commonly encountered during attempts to unload a server component from the system, which may be necessary for maintenance, updates, or other administrative tasks. The presence of open handles indicates that there are active processes or threads using the server's services, preventing it from being safely terminated.
Developer Interpretation
Developers should interpret this error as an indication that the operation to unload a server is not possible due to ongoing usage. This can be encountered in various scenarios such as:
- Network connections still open to the server
- Active database transactions or queries
- Threads performing operations managed by the server
Related Errors
ERROR_INVALID_PARAMETER(1208, 0x4C8): Indicates that a parameter passed to an API is invalid.ERROR_ACCESS_DENIED(5, 0x5): Suggests that access to a resource was denied due to insufficient permissions.ERROR_TOO_MANY_OPEN_FILES(24, 0x18): Implies that the system has reached its limit of open files or handles.
FAQ
Q: What does the error code mean?
A: The server is in use and cannot be unloaded due to active connections or operations.
Q: How can I resolve this issue?
A: Ensure all processes using the server are terminated, then retry the operation. If necessary, restart the system to clear any lingering handles.
Summary
The ERROR_SERVER_HAS_OPEN_HANDLES error code 1811 (0x713) indicates that a server component cannot be unloaded because it has active connections or operations. Developers should handle this error by ensuring all dependent processes are terminated before attempting to unload the server.